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Tokyo team teleports light particles

APR 18, 2011
Physics Today
Daily Mail : Scientists at the University of Tokyo have found a way to teleport photons from one place to another. A team led by Noriyuki Lee used the quantum entanglement characteristicwhere two particles can affect each other even after being separatedto dismantle a photon and then reassemble it elsewhere. According to livescience.com, the team linked a photon to one half of a pair of entangled particles, and then destroyed the photon and the particle it had been linked to. But because the remaining particle of the formerly entangled pair maintains a link to its partnerwhich had been linked with the photonthe photon can be reassembled elsewhere. Although a far cry from the teleportation machine in Star Trek, the technology may be one small step on the road to teleporting larger objects. On Friday Lee and coworkers published their results in Science, and physicist Philippe Grangier of France’s Institut d’Optique published an accompanying essay on the research.
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